set terminal png size 600,400
set output "individual_clouds.png"
set xlabel "Cloud Infrastructure"
set ylabel "time in min"
set xtics ("Futuregrid" 0, "Redcloud" 1, "EC2" 2)
#set style histogram cluster gap 0.1
set style fill solid 0.6 border -1
#set boxwidth 0.5 relative
plot 'individual_clouds.txt' u 2 w histogram t "serial, single core", 'individual_clouds.txt' u 3 w histogram t "parallel, 10 cores", 'individual_clouds.txt' u 1:2:2 w labels center offset -12,0.5 notitle, 'individual_clouds.txt' u 1:3:3 w labels center offset -8.5,0.5 notitle

